<?php
class Visi_View_Helper_GetKeywords extends Zend_View_Helper_Abstract {

    public function getKeywords($str, $delim = ', ', $percentile = null, $maxWords = null) {
    
        $helper = Zend_Controller_Action_HelperBroker::getExistingHelper('GetKeywords');
        return implode($delim, $helper->direct($str, $percentile, $maxWords));
    
    }

}